Union Pacific 4617 leading the salad shooter train west thru Amsterdam,N.Y. after leaving Railex in Rotterdam,N.Y.

Three UP heavies make a stop at the BNSF engine servicing facility.

The Union Pacific E units and special train are about 50 miles south of Omaha on the Falls City Sub.

UP 8203 (C45AH) hugs the western edge of North Yard as it slows to a stop. Coming up alongside is an SUV carrying a fresh crew while the mighty Wasatch Range looks on.

UP 8883 (SD70AH) heads a short manifest into Salt Lake City's North Yard.

A north bound high priority stack train with UPS containers crosses the Fountain Bridge south of St. Louis.

Between Palm Springs and Cabazon in San Gorgonio Pass, a brand new UP EMD SD70ACe leads a westbound spine car train loaded with trailer chassis, seen climbing the grade through Fingal, known to lo... (more)

Between El Casco and Ordway in San Timoteo Canyon, a brand new UP EMD SD70ACe leads an empty intermodal train west toward Los Angles on the Yuma Subdivision. A tie replacement project is currently... (more)

Westbound Empty salad shooter Q091 with 4 Union Pacifc units hustles through St Johnsville with a SD70M leading.

Westbound UP 9016 passes the crossovers at West Palm Springs.

Inside the main shop building at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, locomotives assemble for rebuild and overhaul on May 19, 2015.

The fuel tracks at Union Pacific’s North Yard in Denver, Colorado, are crowded on February 11, 2001. About 58 locomotives are visible and there is still a lot of variety in paint schemes. There ... (more)

Union Pacific GE C44-9W No. 9692 sits all alone in the diesel servicing tracks at Green River, Wyoming, on the night of January 19, 2013.

Q372's power has uncoupled from their train and is now bringing the power to be turned, this power would be tacked on to K649 and head westbound later in the night.

There are 66 engines in Union Pacific's North Yard on this day, from light power working to shuffle cars in the yard to heavies waiting for assignments.